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instructions:
The circulating water dosing device is a new concept of chemical water treatment dosing equipment, which is widely used in furnace water treatment systems, raw water treatment systems and wastewater treatment systems in thermal power generation, petroleum, chemical and other industries. It is installed on the same base by components such as metering pump, mixer, solution box, control system, pipeline, and valve to realize the function of solvent dissolving and metering. The circulating water dosing device can be divided into: PAC dosing system, PAM dosing system, scale inhibitor (corrosion inhibitor) dosing device, fungicide dosing device, concentrated sulfuric acid dosing device, sodium hypochlorite dosing device according to its use. .
Process overview:
Circulating water dosing device consists of solution tank, agitator, metering pump, liquid level gauge, safety valve, pressure gauge, pulsation damper, convector, various valves, support base, stair railing, circuit control part, complete set of pipeline and attached Component composition.
The circulating water dosing device can be manually controlled on site or automatically. Automatic control is based on signals such as flow rate, pH, conductivity, and turbidity received by the inverter.
Features:
Function introduction of automatic control system: In the automatic control state, the system automatically adjusts the speed and stroke of the metering pump according to the signal of flow rate, PH value and conductivity through PLC/host computer or DCS, and the adjustment range is 0~100%. The inverter's speed control input signal is a standard 4~2mA signal, and the feedback signal is also a 4~2mA signal. The status and fault signals of all metering pumps and agitators can be transmitted to the DCS or the host computer as needed. The DCS or the host computer can remotely start and stop the dosing pump as needed.
? According to different technical requirements, the electric control cabinet can be equipped with local manual control, semi-automatic control and fully automatic control.
? The solution tank can be made of 316 stainless steel, 304 stainless steel, FRP, PE, etc. according to different corrosion resistance requirements.
